1996 Chevrolet Suburban Owner's Manual - Page 157
1996 Chevrolet Suburban Manual
Page 157 highlights
The middle knob on the control panel lets you select the relative temperature of the air flowinginto the passenger area of your vehicle. This knob will allow you to adjust the relative air temperature independently of the function knob setting. Move the knob right toward the red area for warmer air. Move the knob left toward the blue area forcooler air. The right knob on the control panel changes the heater setting. VENT - This setting, with the arrow pointing at the figure's head, directs air through the instrument panel vents. VENT/HEAT - Use this setting, with the arrows pointing at the figure's feet and head, to divideairflow between the heater floor vents and instrument panel vents. HEAT -This setting, with the arrow pointing at the figure's feet, directs air through the heater floorvents. This setting is useful for cold weather. HEAT/DEFROST - Use this setting, with the arrow pointing at the figure's feet and the defroster symbol near the figure's head, to divide airflow between the heater floorvents and windshield. DEFROST -This setting with the defrost symbol directs air through the windshield defroster vents. This setting is useful when you have fog or ice on the windshield. The controlknob can be placed in any position between two heater settings to blend the flow of air. The closer the knob is to a setting symbol, the more the air flow will represent that symbol's air flow arrows. Heater/Air Conditioning Controls If your vehicle has air conditioning,your heatedair conditioning controls will look like this. 3-2